Unformatted text preview: 1. DNA was composed of nucleotides. Each nucleotide contained: • Phosphate (P) • The 5-carbon sugar, deoxyribose • One of four different nitrogen-containing bases Two were double ring purines Adenine Guanine Two were single ring pyrimidines Thymine Cytosine The sugar phosphate formed a backbone with one of the four bases attached to the side of the sugar....
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This note was uploaded on 12/29/2011 for the course BIO 151 taught by Professor Edwards during the Spring '10 term at SUNY Stony Brook.
- Spring '10